Process Equipment and Plant Design Overall tray efficiency of a distillation column is the ratio of the number of None of these Real trays required to the number of ideal trays required Ideal trays required to the number of real trays required Overall gas transfer units to the number of ideal trays required None of these Real trays required to the number of ideal trays required Ideal trays required to the number of real trays required Overall gas transfer units to the number of ideal trays required ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Hoop (circumferential) stress induced in a thin walled 'Horton Sphere' used for the storage of liquid ammonia under pressure is pD/4t pD/2t pD/6t pD/3t pD/4t pD/2t pD/6t pD/3t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate. 43834 2 4 43832 43834 2 4 43832 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Thin spherical shells subjected to internal pressure, develop __________ stresses. Neither A nor B Radial Both A & B Circumferential Neither A nor B Radial Both A & B Circumferential ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger for a given heat transfer surface area, smaller diameter tubes are favoured as compared to larger diameter ones ; because the smaller diameter tubes Are less prone to fouling Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less Are easier to clean None of these Are less prone to fouling Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less Are easier to clean None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio. 1.1 to 1.5 2.2 to 2.6 2.7 to 3 1.6 to 2 1.1 to 1.5 2.2 to 2.6 2.7 to 3 1.6 to 2 ANSWER DOWNLOAD EXAMIANS APP
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